body {
    margin: 0;
    font-family: Arial, Helvetica,'Microsoft Yahei' sans-serif;
    color:#7e8793;
    -webkit-font-smoothing: antialiased;
}

.home-header{
    /* 引用背景图 */
    background: url(../img/home-bg.png) no-repeat;
    /* 设置背景的大小*/
    background-size: 100% auto;
    text-align: center;
    padding-bottom: 2rem;
}

/*设定一个样式 */
.home-header > img {
    width: 65%;
    margin: 2rem;
}

.home-header form {
    background: white;
    width: 90%;
    margin: 0 auto;
    line-height: 2.2rem;
    border-radius: 2.2rem;
}

.home-header form input{
    width: 75%;
    border: none;
    outline: none;
    color: #aeaeae;

}

.home-header form button{
    font-size: 0.9rem;
    color: #5cd5c8;
    border: none;
    background: none;
    font-weight: lighter;

}

/* 分类样式 */
.home-categories{
    padding: 0rem;

}
.home-categories dt {
    /* 设置布局的方式为弹性盒子 */
    display: flex;
    /* 纵向的对齐方式为居中显示 */
    align-items: center;

}

.home-categories dt img {
    height: 3rem;
    margin: 1rem;
}

.home-categories dl dd {
    margin: -0.3rem 10px;  
}

.home-categories dl dd .tag {
    background: #f5f8f9;
    color:#7e8793;
    padding: 0.3rem 1rem;
    display: inline-block;
    border-radius: 2rem;
    font-size: 0.8rem;
    /* 取消下划线 */
    text-decoration: none;
    margin: 0.2rem 0.3rem;
}

.home-footer{
    width: 70%;
    margin: 0 auto;
    font-size: 0.75rem;
}

.home-footer p {
    margin: 0.2rem 0;
}